<!DOCTYPE html>
<html lang="zh-cn">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Bootstrap 101 Template</title>
</head>
<body>
<h1>你好，世界！</h1>
{{pkooo}}
{% for v in db%}
  {{v.name}}
{% endfor %}
</body>
</html>